mirror of
https://github.com/danog/LibDNSJson.git
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55 lines
1.7 KiB
PHP
55 lines
1.7 KiB
PHP
<?php declare(strict_types = 1);
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/**
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* Encodes Message objects to query strings.
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*
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* PHP version 5.4
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*
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* @category LibDNS
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* @package Encoder
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* @author Daniil Gentili <https://daniil.it>, Chris Wright <https://github.com/DaveRandom>
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* @copyright Copyright (c) Chris Wright <https://github.com/DaveRandom>
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version 2.0.0
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*/
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namespace danog\LibDNSJson;
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use \LibDNS\Messages\Message;
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use LibDNS\Messages\MessageTypes;
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/**
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* Encodes Message objects to query strings.
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*
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* @category LibDNS
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* @package Encoder
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* @author Daniil Gentili <https://daniil.it>, Chris Wright <https://github.com/DaveRandom>
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*/
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class QueryEncoder
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{
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/**
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* Encode a Message to URL payload.
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*
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* @param \LibDNS\Messages\Message $message The Message to encode
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*/
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public function encode(Message $message): string
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{
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if ($message->getType() !== MessageTypes::QUERY) {
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throw new \InvalidArgumentException('Invalid question: is not a question record');
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}
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$questions = $message->getQuestionRecords();
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if ($questions->count() === 0) {
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throw new \InvalidArgumentException('Invalid question: 0 question records provided');
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}
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$question = $questions->getRecordByIndex(0);
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return \http_build_query(
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[
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'cd' => 0, // Do not disable result validation
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'do' => 0, // Do not send me DNSSEC data
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'type' => $question->getType(), // Record type being requested
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'name' => \implode('.', $question->getName()->getLabels()), // Record name being requested
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'ct' => 'application/dns-json', // Content-type of request
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]
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);
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}
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}
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